public async Task<ResultBase> SendCommentAsync(Feed feed, UserInfo userInfo, string content, SimulateDevice device = SimulateDevice.Android, Comment reviewComment = null)
{
if (feed == null)
{
throw new ArgumentNullException(nameof(feed));
}
if (userInfo == null)
{
throw new ArgumentNullException(nameof(userInfo));
}
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
if (content.Length <= 0)
{
throw new ArgumentException("评论不能为空", nameof(content));
}
if (Enum.IsDefined(typeof(SimulateDevice), device) == false)
{
throw new ArgumentException("模拟设备未定义。", nameof(device));
}
Dictionary<string, string> postData = new Dictionary<string, string>
{
{
"id", feed.Id.ToString()
},
{
"token", userInfo.Token
}
};
switch (device)
{
case SimulateDevice.Android:
postData.Add("client", "android");
break;
case SimulateDevice.IPhone:
postData.Add("client", "iphone");
break;
}
postData.Add("content", content);
if (reviewComment != null)
{
postData.Add("review_id", reviewComment.Id.ToString());
}
string json;
using (HttpClient client = new HttpClient())
{
using (IHttpContent httpContent = new HttpFormUrlEncodedContent(postData))
{
HttpResponseMessage response = await client.PostAsync(new Uri(SendCommentTemplate), httpContent);
json = await response.Content.ReadAsStringAsync();
}
}
return JsonConvert.DeserializeObject<ResultBase>(json);
}
protected override void ReceiveFromView(dynamic parameter)
{
Feed feed = parameter as Feed;
if (feed != null)
{
this.Feed = feed;
this.LoadArticleAsync(feed);
}
}
public async Task<DataResultBase<Article>> GetArticleAsync(Feed feed)
{
if (feed == null)
{
throw new ArgumentNullException(nameof(feed));
}
string url = string.Format(ArticleTemplate, feed.Id);
using (HttpClient client = new HttpClient())
{
return await client.GetJsonAsync<DataResultBase<Article>>(new Uri(url));
}
}
private async void LoadArticleAsync(Feed feed)
{
this.IsLoading = true;
try
{
DataResultBase<Article> result = await this._service.GetArticleAsync(feed);
if (result.Code == 0)
{
this.Article = result.Data;
this.SendToView(this.Article);
}
}
catch
{
}
this.IsLoading = false;
}
public async Task<DataResultBase<ResultList<Comment>>> GetCommentsAsync(Feed feed, int page = 1)
{
if (feed == null)
{
throw new ArgumentNullException(nameof(feed));
}
if (page <= 0)
{
throw new ArgumentOutOfRangeException(nameof(page), "page should greater than zero.");
}
string url = string.Format(GetCommentTemplate, feed.Id, page);
url = url + "?t=" + DateTime.Now.Ticks;
using (HttpClient client = new HttpClient())
{
return await client.GetJsonAsync<DataResultBase<ResultList<Comment>>>(new Uri(url));
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
Messenger.Register(this);
if (Frame.CanGoBack)
{
NavigationHelper.Register(Frame, () =>
{
GoBack();
});
}
if (e.NavigationMode != NavigationMode.Back)
{
_domReadyTcs = new TaskCompletionSource<object>();
TypedEventHandler<WebView, WebViewDOMContentLoadedEventArgs> handler = null;
handler = (sender, args) =>
{
webView.DOMContentLoaded -= handler;
_domReadyTcs.SetResult(null);
};
webView.DOMContentLoaded += handler;
webView.Navigate(new Uri("ms-appx-web:///Web/Views/app.html"));
Feed feed = e.Parameter as Feed;
if (feed != null)
{
_feed = feed;
this.SendToViewModel(feed);
}
}
}